diff options
Diffstat (limited to 'recordmydesktop/src/load_cache.c')
| -rw-r--r-- | recordmydesktop/src/load_cache.c | 120 |
1 files changed, 74 insertions, 46 deletions
diff --git a/recordmydesktop/src/load_cache.c b/recordmydesktop/src/load_cache.c index 7693774..c9fc96b 100644 --- a/recordmydesktop/src/load_cache.c +++ b/recordmydesktop/src/load_cache.c @@ -1,39 +1,45 @@ -/********************************************************************************* -* recordMyDesktop * -********************************************************************************** -* * -* Copyright (C) 2006 John Varouhakis * -* * -* * -* This program is free software; you can redistribute it and/or modify * -* it under the terms of the GNU General Public License as published by * -* the Free Software Foundation; either version 2 of the License, or * -* (at your option) any later version. * -* * -* This program is distributed in the hope that it will be useful, * -* but WITHOUT ANY WARRANTY; without even the implied warranty of * -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * -* GNU General Public License for more details. * -* * -* You should have received a copy of the GNU General Public License * -* along with this program; if not, write to the Free Software * -* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * -* * -* * -* * -* For further information contact me at johnvarouhakis@gmail.com * -**********************************************************************************/ +/****************************************************************************** +* recordMyDesktop * +******************************************************************************* +* * +* Copyright (C) 2006,2007 John Varouhakis * +* * +* * +* This program is free software; you can redistribute it and/or modify * +* it under the terms of the GNU General Public License as published by * +* the Free Software Foundation; either version 2 of the License, or * +* (at your option) any later version. * +* * +* This program is distributed in the hope that it will be useful, * +* but WITHOUT ANY WARRANTY; without even the implied warranty of * +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +* GNU General Public License for more details. * +* * +* You should have received a copy of the GNU General Public License * +* along with this program; if not, write to the Free Software * +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * +* * +* * +* * +* For further information contact me at johnvarouhakis@gmail.com * +******************************************************************************/ #include <recordmydesktop.h> -void LoadBlock(unsigned char *dest,unsigned char *source,int blockno,int width, int height,int divisor){ +void LoadBlock(unsigned char *dest, + unsigned char *source, + int blockno, + int width, + int height, + int divisor){ int j, block_i=blockno/divisor,//place on the grid block_k=blockno%divisor; for(j=0;j<height/divisor;j++)//we copy rows - memcpy( &dest[block_i*(width*height/divisor)+j*width+block_k*width/divisor], + memcpy( &dest[block_i*(width*height/divisor)+ + j*width+block_k*width/divisor], &source[j*width/divisor], width/divisor); } @@ -58,7 +64,8 @@ void *LoadCache(ProgData *pdata){ divisor=16, blockszy=0,//size of y plane block in bytes blockszuv=0,//size of u,v plane blocks in bytes - framesize=((snd_pcm_format_width(SND_PCM_FORMAT_S16_LE))/8)*pdata->args.channels;//audio frame size + framesize=((snd_pcm_format_width(SND_PCM_FORMAT_S16_LE))/8)* + pdata->args.channels;//audio frame size signed char *sound_data=(signed char *)malloc(pdata->periodsize*framesize); //we allocate the frame that we will use @@ -106,11 +113,13 @@ void *LoadCache(ProgData *pdata){ SyncEncodeImageBuffer(pdata); } else if(((!pdata->args.zerocompression)&& - (gzread(ifp,frame.header,sizeof(FrameHeader))==sizeof(FrameHeader) ))|| + (gzread(ifp,frame.header,sizeof(FrameHeader))== + sizeof(FrameHeader) ))|| ((pdata->args.zerocompression)&& (fread(frame.header,sizeof(FrameHeader),1,ucfp)==1))){ //sync - missing_frames+=frame.header->current_total-(extra_frames+frame.header->frameno); + missing_frames+=frame.header->current_total- + (extra_frames+frame.header->frameno); fprintf(stdout,"\r[%d%%] ", ((frame.header->frameno+extra_frames)*100)/frames_total); @@ -121,21 +130,35 @@ void *LoadCache(ProgData *pdata){ ( ((!pdata->args.zerocompression)&& - ((gzread(ifp,frame.YBlocks,frame.header->Ynum)==frame.header->Ynum) && - (gzread(ifp,frame.UBlocks,frame.header->Unum)==frame.header->Unum) && - (gzread(ifp,frame.VBlocks,frame.header->Vnum)==frame.header->Vnum) && - (gzread(ifp,frame.YData,blockszy*frame.header->Ynum)==blockszy*frame.header->Ynum) && - (gzread(ifp,frame.UData,(blockszuv*frame.header->Unum))==(blockszuv*frame.header->Unum)) && - (gzread(ifp,frame.VData,(blockszuv*frame.header->Vnum))==(blockszuv*frame.header->Vnum)))) || + ((gzread(ifp,frame.YBlocks,frame.header->Ynum)== + frame.header->Ynum) && + (gzread(ifp,frame.UBlocks,frame.header->Unum)== + frame.header->Unum) && + (gzread(ifp,frame.VBlocks,frame.header->Vnum)== + frame.header->Vnum) && + (gzread(ifp,frame.YData,blockszy*frame.header->Ynum)== + blockszy*frame.header->Ynum) && + (gzread(ifp,frame.UData,(blockszuv*frame.header->Unum))== + (blockszuv*frame.header->Unum)) && + (gzread(ifp,frame.VData,(blockszuv*frame.header->Vnum))== + (blockszuv*frame.header->Vnum)))) || ((pdata->args.zerocompression)&& - ((fread(frame.YBlocks,1,frame.header->Ynum,ucfp)==frame.header->Ynum) && - (fread(frame.UBlocks,1,frame.header->Unum,ucfp)==frame.header->Unum) && - (fread(frame.VBlocks,1,frame.header->Vnum,ucfp)==frame.header->Vnum) && - (frame.header->Ynum==0 ||fread(frame.YData,blockszy,frame.header->Ynum,ucfp)==frame.header->Ynum) && - (frame.header->Unum==0 ||fread(frame.UData,blockszuv,frame.header->Unum,ucfp)==frame.header->Unum) && - (frame.header->Vnum==0 ||fread(frame.VData,blockszuv,frame.header->Vnum,ucfp)==frame.header->Vnum))) - + ((fread(frame.YBlocks,1,frame.header->Ynum,ucfp)== + frame.header->Ynum) && + (fread(frame.UBlocks,1,frame.header->Unum,ucfp)== + frame.header->Unum) && + (fread(frame.VBlocks,1,frame.header->Vnum,ucfp)== + frame.header->Vnum) && + (frame.header->Ynum==0 || + fread(frame.YData,blockszy,frame.header->Ynum,ucfp)== + frame.header->Ynum) && + (frame.header->Unum==0 || + fread(frame.UData,blockszuv,frame.header->Unum,ucfp)== + frame.header->Unum) && + (frame.header->Vnum==0 || + fread(frame.VData,blockszuv,frame.header->Vnum,ucfp)== + frame.header->Vnum))) ) ){ //load the blocks for each buffer @@ -163,8 +186,10 @@ void *LoadCache(ProgData *pdata){ yuv->uv_width, yuv->uv_height, divisor/2); - //encode. This is not made in a thread since now blocking is not a problem - //and this way sync problems can be avoided more easily. + //encode. This is not made in a thread since + //now blocking is not a problem + //and this way sync problems + //can be avoided more easily. SyncEncodeImageBuffer(pdata); } else{ @@ -173,7 +198,10 @@ void *LoadCache(ProgData *pdata){ } } else{ - if(SwapCacheFilesRead(pdata->cache_data->imgdata,nth_cache,&ifp,&ucfp)){ + if(SwapCacheFilesRead(pdata->cache_data->imgdata, + nth_cache, + &ifp, + &ucfp)){ raise(SIGINT); } else{ |